ENS 46087
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ENS Event | |
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18:10 Jul 12, 2010 | |
Title | Hpci Inadvertently Isolated During Testing |
Event Description | On 07/12/10 at 1310 CDT, while performing 2-SR-3.3.6.1.2(3B), High Pressure Coolant Injection (HPCI) System Steam Supply Low Pressure Functional Test, HPCI inadvertently isolated. The cause of isolation is unknown with an]investigation in progress. HPCI has been returned to standby readiness.
This incident is reportable as an 8-hour ENS notification under 10CFR 50.72 (b)(3)(v) as any event or condition that at the time of discovery could have prevented the fulfillment of the safety function of structures or systems that are needed to mitigate the consequences of an accident. It also requires a 60 day written report. The NRC Resident Inspector has been notified. |
Where | |
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Browns Ferry Alabama (NRC Region 2) | |
Reporting | |
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident | |
Time - Person (Reporting Time:+0.35 h0.0146 days <br />0.00208 weeks <br />4.7943e-4 months <br />) | |
Opened: | Walter Miller 18:31 Jul 12, 2010 |
NRC Officer: | Joe O'Hara |
Last Updated: | Jul 12, 2010 |
46087 - NRC Website
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Unit 2 | |
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Reactor critical | Critical |
Scram | No |
Before | Power Operation (100 %) |
After | Power Operation (100 %) |
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